Computer Code: |
REST |
Preferred Map Code: |
REST |
Status Code: |
Full |
Age range: |
Ludlow Epoch (SU)
— Early Devonian Epoch (DL) |
Lithological Description: |
Conglomerates, sandstones,siltstones, mudstones and volcanic rocks of terrestrial, subaerial facies. |
Definition of Lower Boundary: |
Unconformably overlying the Lower Palaeozoic rocks of the Southern Uplands. |
Definition of Upper Boundary: |
Unconformably overlain by the Stratheden Group (Upper Devonian). |
Thickness: |
2350 m maximum thickness. |
Geographical Limits: |
The Scottish Southern Uplands Terrane, bounded by the Southern Upland Fault to the north-west. |
Parent Unit: |
Not Applicable (-)
|
Previous Name(s): |
Lower Old Red Sandstone and Lavas [Obsolete Name and Code: Use REST]
(-491)
|
Alternative Name(s): |
none recorded or not applicable
|
Stratotypes: |
Type Area |
Eyemouth, Sheet 34 [Scotland]. For reference sections, see the type sections for the component formations: Great Conglomerate Formation, Eyemouth Volcanic Formation and Auchencrow Burn Sandstone Formation. Greig, D C. 1988. |
Reference(s): |
Waters, C N, Gillespie, M R, Smith, K, Auton, C A, Floyd, J D, Leslie, A G, Millward, D, Mitchell, W I, McMillan, A A, Stone, P, Barron, A J M, Dean, M T, Hopson, P M, Krabbendam, M, Browne, M A E, Stephenson, D, Akhurst, M C, and Barnes, R P. 2007. Stratigraphical Chart of the United Kingdom: Northern Britain. (British Geological Survey.) |
Browne, M A E, Smith, R A, and Aitken, A M. 2002. Stratigraphical framework for the Devonian (Old Red Sandstone) rocks of Scotland south of a line from Fort William to Aberdeen. British Geological Survey Research Report RR/01/04. 67 pp. |
Greig, D C. 1988. Geology of the Eyemouth district. Memoir of the British Geological Survey, Sheet 34 (Scotland). |
1:50K maps on which the lithostratigraphical unit is found, and map code used: |
S034
S033
S033
S024
S025
S025
S026
S017
S018
|